diff options
| author | Dave Chinner <david@fromorbit.com> | 2015-10-12 18:38:25 +1100 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2015-10-12 18:38:25 +1100 |
| commit | 1e2103cbf4adfd5490ee5f3ee59750bd70d2047e (patch) | |
| tree | fb8256698fc1098784ef0bedba22768a793679f4 /fs/xfs/libxfs | |
| parent | 8a56d7c305b9613dfe416fd1af06871ec34bb103 (diff) | |
| parent | 847f9f6875fb02b576035e3dc31f5e647b7617a7 (diff) | |
Merge branch 'xfs-misc-fixes-for-4.4-1' into for-next
Diffstat (limited to 'fs/xfs/libxfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_attr_remote.c | 2 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_btree.c | 4 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_format.h | 10 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_fs.h | 10 |
4 files changed, 22 insertions, 4 deletions
diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index f38f9bd81557..5ab95ffa4ae9 100644 --- a/fs/xfs/libxfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -107,7 +107,7 @@ xfs_attr3_rmt_verify( if (be32_to_cpu(rmt->rm_bytes) > fsbsize - sizeof(*rmt)) return false; if (be32_to_cpu(rmt->rm_offset) + - be32_to_cpu(rmt->rm_bytes) > XATTR_SIZE_MAX) + be32_to_cpu(rmt->rm_bytes) > XFS_XATTR_SIZE_MAX) return false; if (rmt->rm_owner == 0) return false; diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 235d026c7f9c..af1bbee5586e 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -223,7 +223,7 @@ xfs_btree_check_ptr( * long-form btree header. * * Prior to calculting the CRC, pull the LSN out of the buffer log item and put - * it into the buffer so recovery knows what the last modifcation was that made + * it into the buffer so recovery knows what the last modification was that made * it to disk. */ void @@ -261,7 +261,7 @@ xfs_btree_lblock_verify_crc( * short-form btree header. * * Prior to calculting the CRC, pull the LSN out of the buffer log item and put - * it into the buffer so recovery knows what the last modifcation was that made + * it into the buffer so recovery knows what the last modification was that made * it to disk. */ void diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 9590a069e556..8568de163004 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -60,6 +60,14 @@ struct xfs_ifork; #define XFS_SB_VERSION_MOREBITSBIT 0x8000 /* + * The size of a single extended attribute on disk is limited by + * the size of index values within the attribute entries themselves. + * These are be16 fields, so we can only support attribute data + * sizes up to 2^16 bytes in length. + */ +#define XFS_XATTR_SIZE_MAX (1 << 16) + +/* * Supported feature bit list is just all bits in the versionnum field because * we've used them all up and understand them all. Except, of course, for the * shared superblock bit, which nobody knows what it does and so is unsupported. @@ -1483,7 +1491,7 @@ struct xfs_acl { */ #define XFS_ACL_MAX_ENTRIES(mp) \ (xfs_sb_version_hascrc(&mp->m_sb) \ - ? (XATTR_SIZE_MAX - sizeof(struct xfs_acl)) / \ + ? (XFS_XATTR_SIZE_MAX - sizeof(struct xfs_acl)) / \ sizeof(struct xfs_acl_entry) \ : 25) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 89689c6a43e2..b2b73a998d42 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -490,6 +490,16 @@ typedef struct xfs_swapext #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ /* + * ioctl limits + */ +#ifdef XATTR_LIST_MAX +# define XFS_XATTR_LIST_MAX XATTR_LIST_MAX +#else +# define XFS_XATTR_LIST_MAX 65536 +#endif + + +/* * ioctl commands that are used by Linux filesystems */ #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS |